Questions Asked on
December 5, 2011

geography
Which of the following would NOT encourage a population to experience exponential growth? a constant birth rate b surplus of food c lack of disease d largescale natural disaster
asked by lola 
geography
Onehalf of the world’s energy comes from which source? A. hydroelectric power B. fossil fuels C. nuclear energy D. solar energy i think its B
asked by lola 
chem h
Methanol (CH3OH) is used in the production of many chemicals. methanol is made by reacting carbon monoxide and hydrogen at high temperature and pressure. CO(g) + 2H2(g) ==> CH3OH(g) a) How many moles of each reactant are needed to produce 3.60 x 10^2 g
asked by Skye 
algebra
what are two different word phrases for the expression t/30 ?
asked by Kyle 
physics
a mule uses a rope to pull a box that weighs 3.0x10^2N across a level surface with a constant velocity. the rope makes an angle of 30.0 degrees above the horizontal and the tension in the rope is 1.0x10^2N. what is the normal force on the floor on the box?
asked by Emmy 
English
What do the abbreviations "S" "F" "SCS" "SCV" "CD" and "CX" stand for in Shurley English.
asked by Marsha 
physics
A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll without slipping. If both objects have the same mass and the same kinetic energy, what is the ratio of the linear speed of the cylinder to the linear speed of the
asked by saud 
Math  Trig please help!
State two intervals in which the function y=7sin(1/5x)+2 has an average rate of change that is: a) zero b)a negative value c)a positive value Please explain how to get the intervals! Thanks a lot in advance!
asked by linda 
chemistry
The molarity of a solution prepared by dissolving 15.0 grams of NaCl in 100 mL water is 0.15 M. True or False
asked by Anonymous 
calculus
5. A particle moves along the xaxis in such a way that its position at time t is given by x=3t^416t^3+24t^2 for 5 ≤ t ≤ 5. a. Determine the velocity and acceleration of the particle at time t. b. At what values of t is the particle at rest? c. At
asked by fareha 
Math
. Determine which ratio forms a proportion with 2/7 by finding a common multiplier. (1 point)
asked by Regiana 
Calculus
Ice is forming in a pond at a rate given by dy/dx=ksqrt(t), where y is the thickness of the ice in cm at time t measured in hours since the ice started forming, and k is a positive constant. Find y as a function of t.
asked by math whizz 
chemistry
A 35.0 ml sample of 0.225 M HBr was titrated with 42.3 ml of KOH. What is the concentration of the KOH?
asked by Anonymous 
physics
A hockey puck is given an initial speed of 19 m/s on a frozen pond. The puck remains on the ice and slides 113 m before coming to rest. The acceleration of gravity is 9.8 m/s 2 . What is the coeﬃcient of friction between the puck and the ice?
asked by khjkjk 
geography
What was the time of greatest population growth in the world? A. the late nineteenth century B. the midseventeenth century C. the early twentyfirst century D. the midtwentieth century i think its D
asked by lola 
Physics
A 115 kg astronaut on a space walk pushes against her space capsule that has mass 2250 kg. The astronaut accelerates 1.50 m/s2, 0°. (a) Find the force exerted on the astronaut. (b) Find the force exerted on the capsule. (c) Find the acceleration of the
asked by Bree 
Chemistry
How many grams of chlorine are needed to make 5.00 X 10^6 g of a solution that is 1.50 ppm chlorine by mass?
asked by Sam 
chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3? how did you get the answer
asked by DIANA 
chemistry
A scuba diver takes a 2.8 L balloon from the surface where the pressure is 1.00 atm and the temperature is 34.0 °C to a depth of 25 m, where the pressure is 3.5 atm and the temperature is 18.0 °C. What is the volume of the balloon at this depth?
asked by Anonymous 
Calculus
A tank is full of water. Find the work W required to pump the water out of the spout. r=6 h=3
asked by Courtney 
Psychology
Need help asap! Regarding schizophrenia, which of the following statements is FALSE? I think the answer is A a. Schizophrenia involves a "split personality," in which a person has two distinct personalities, one normal and one abnormal. b. One person in
asked by Keller 
Physics
Two satellites A and B of the same mass are orbiting Earth in concentric orbits. The distance of satellite B from Earth’s center is twice that of satellite A. What is the ratio of the tangential speed of B to that of A?
asked by idiot 
Physics
A 171N child sits on a light swing and is pulled back and held with a horizontal force of 73.5N. The magnitude of the tension force of each of the two supporting ropes is?
asked by Kyle 
Calculus
A tank is full of water. Find the work W required to pump the water out of the spout. r=6 h=3
asked by Courtney 
Chemistry
A 6.08g peice of solid CO2 (dry ice) is allowed to vaporize (change to CO2g) in a balloon. The final volume of the balloon is 1.00 L at 300k. What is the pressure of the gas?
asked by Kristian 
calculus
Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes?
asked by Nathan 
Calc
find d^2y/dx^2 of dy/dx = [y/x]^1/3
asked by Anonymous 
Chemistry
Given the following equation: N2(g) + 3H2(g) = 2NH3(g). Determine to one decimal place the molar mass of each term, and WRITE EACH ONE AS A CONVERSION from moles to grams.
asked by Kate 
chemistry
17 liters of a gas is at an initial temperature of 67 degrees C and a pressure of 88.89 atm, what will be the pressure of the gas if the tempetature of the gas is raised to 94 degrees C and the volume of the gas is decreased to 12 liters? 177 atm 36.3 atm
asked by Anonymous 
science
Earths mass is 6 x 10^24kg and its radius is 6.38 x 10^6m (6380 km ). Use the inversesquare law to show that in spaceshuttle territory, 200 km above the earths surface the force of gravity on a shuttle is about 94% of that at the earths surface.
asked by hannah 
Government USAHelp
Government can lawfully prevent a political rally from taking place a. under no circumstances; people have an unconditional right to express their views. b. when the rally would require unduly expensive police protection. c. when the views of those holding
asked by HM 
precalculus
Simplify the Factorial Expression. (3n+1)!*3!/(3n2)!
asked by Robert 
chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
asked by diana 
Math
A model of the ocean floor takes up 2/5 of the space in an aquarium. if 3/8 of the model is coral, what fraction of the space in the aquarium is taken by coral?
asked by Stevie 
physical science
a newton meter is a measure of work also known as the.... what?
asked by shawna 
Calculus
Find the critical numbers of the function. (Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.) h(p) = (p − 2)/(p^2 + 9)
asked by Kris 
algebra
ok I have a algebra question how do you find the missing number for 429=43? how do I get the answer and I need to understand it? I think the answer might be 45
asked by julie 
Physics
A helium balloon lifts a basket and cargo of total weight 2250 N under standard conditions, at which the density of air is 1.29 kg/m3 and the density of helium is 0.178 kg/m3 . What is the minimum volume of the balloon? The acceleration of gravity is 9.81
asked by help 
Physics
Suppose that a simple pendulum consists of a small 71.8 g bob at the end of a cord of negligible mass. If the angle è between the cord and the vertical is given by è = (0.0465 rad) cos[(6.52 rad/s) t + ö], what are (a) the pendulum's length and (b) its
asked by Angel 
math word problem
A rectangle garden is 30 ft by 40 ft. Part of the garden is removed in order to install a walkway of uniform width around it. The area of the new garden is onehalf the area of the old garden. How wide is the walkway?
asked by Kelly 
geography
Approximately what percent of Earth’s species live in rainforests? A. 75% B. 25% C. 50% D. 90% i think its B
asked by lola 
physics
A 200g bottle has a mass of 340g when filled with water and 344g when field with blood plasma. what is the density of plasma?
asked by saud 
ASTRONOMYHELP PLEASE!!!!!
Using Hubble's law, determine the recessional velocity of a galaxy 700 Mly away. Use 22 km/s/Mly for the Hubble's parameter. Show your work for full credit
asked by Rebecca 
Physics
What is the maximum acceleration of a platform that oscillates with an amplitude of 2.1 cm at a frequency of 6.7 Hz? I feel like this is a very simple question, but I'm having trouble figuring it out.
asked by Emily 
physics
What is the maximum acceleration of a platform that oscillates with an amplitude of 3.1 cm at a frequency of 8.0 Hz?
asked by Javan 
US history HELP
Blacks who moved to northern cities found: 1. inability to vote 2. quality public housing 3. acceptance and respect 4. middleclass status 5. new problems and forms of exploitation is it 4 or 3 ?
asked by HM 
US historyReligion
By 1960, about 65 percent of Americans: 1. prayed 2. believed in evolution 3. belonged to a church 4. read the Bible 5. believed in God There are no clear stats but 3 would be the most closest answer correct?
asked by HM 
English Research Essay Check
Hira Mubeen Professor Peggy Vera English 1301 5 December 2011 Keep Your Mind on the Road There are lucky days when a driver gets way with writing a text on a Uturn, or hearing a birthday carol from a loved one on their way to work. But not all drivers are
asked by HM 
Calculus
These are the two problems from my homework I don't get.. can you help me? A: y=2xx^3 [0,1] use the limit process to find the area of the region between the graph of the function and the xaxis over the given interval. Sketch the region B:
asked by Wesley 
chem
A sample of PCl5 weighing 2.69 grams is placed in a 1.000 liter flask and vaporized completely at 250 o C. The final pressure observed at this temperature is 1.000 atmospheres. Note that some, but not all of the PCl5 decomposes according to the equation:
asked by laura 
math
There are n people in a room. Each person will shake hands with every other person once and only once. How many hand shakes will there be?
asked by Lisa 
chemistry
Determine the [H3O+]. Are these solutions acidic or basic? a. [OH]=7.0x10^8 a. [H3O+]= acidic or basic? b. 0.00030 M Mg[OH]2 b. [H3O+]=acidic or basic?
asked by Amanda 
AstronomyHELP PLEASE!!!!!
Some quasars (quasistellar radio source) have the largest red shifts ever observed. If this phenomenon is due to cosmic expansion, what can you say about their distance? What can you say about the age of the quasar at the time the light we now see left
asked by Rachel 
English Comp. I
Exercise 32.4 Please help with this assignment. I'm having trouble with it. Rive to clarify pronoun reference. Most can be revised in many ways. If a pronoun refers ambiguously to more than one possible antecedent, revise the sentence to reflect each
asked by Robert 
geometry
A person deposits $500.00 into a savings account and pays 5% annual interest that is compounded yearly. At the end of the 10 years how much money will be in the savings account ?
asked by Anonymous 
US GOV
Government can lawfully prevent a political rally from taking place a. under no circumstances; people have an unconditional right to express their views. b. when the rally would require unduly expensive police protection. c. when the views of those holding
asked by HM 
Chemistry
NaHCO3+CH3COOH→H2CO3+NaCH3COO the mass of can changes after reaction, what would be a logical mass?
asked by johanna 
english 3
Which of the following provides the best portrayal of the author's resolution of the story's climax? A. Taylor explains to Turtle that she can make no promises. B. Esperanza is relieved that she will no longer be responsible for Turtle. C. Esperanza's
asked by Anonymous 
physics
Container with movable piston at top and valve near bottom is filled an ideal gas. Valve is opened and some gas slowly escapes. Valve is then closed and the piston appears to be at a lower position. System is in thermal equilibrium. Is final pressure of
asked by HELP, need ASAP 
math
4.Suppose John sells his house and earns a profit of $600,000. With the profit, he buys a 20 year annuity that earns 6.5% interest compounded monthly. What monthly payment will John get?
asked by Beth 
US history HELP
One major reason for religion’s growing appeal in the 1950s was: 1. the fireandbrimstone style of television preachers 2. widespread guilt over the country’s material abundance 3. huge new churches that sponsored social and recreational activities 4.
asked by HM 
physics
you pull a sled along a horizontal surface by applying a force of 620 N at an angle of 42.0 degrees aboce the horizontal. How much work is doen to pull the sled 160m.
asked by Erika 
chemistry
Imagine that 25.0 of ice at 3.0C is placed in a container holding water vapor at temperature of 120.0C . After a certain amount of time, the container has expanded slightly, but holds only water vapor at 110.0C. what is the final volume of the container?
asked by Fajer 
physics
Once a 28 kg crate is in motion on a horizontal ﬂoor, a horizontal force of 51 N keeps the crate moving with a constant velocity. The acceleration of gravity is 9.81 m/s. What is µk, the coeﬃcient of kinetic friction, between the crate and the ﬂoor
asked by david 
math riddle
What frog was a famous comedian
asked by tamra 
Chemistry
Calculate the heat (in kJ) required to transform 58.60 g of dinitrogen tetraoxide from a solid at a temperature of 9.3 °C to a gas at 47 °C. Report your answer to one decimal place. Data: Molar mass of dinitrogen tetraoxide, N2O4 = 92.011 g/mol Melting
asked by Matthew 
math
Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.
asked by John 
Psychology
Is this the correct answer? Please help! If a person believes that his or her mind is being controlled by outside forces or that he or she is getting special coded messages from the television, this person is experiencing which type of psychotic symptom? I
asked by Keller 
chemistry
A sample of gas with an initial volume of 32.50 L at a pressure of 755.0 torr and a temperature of 315.0 K is compressed to a volume of 15.80 L and warmed to 395.0 K. What is the final pressure of the gas?
asked by Anonymous 
math
Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.
asked by John 
physics
A 15 kg box slides across the floor with an initial velocity of +7.6 m/s. It comes to a stop after sliding +14.8 m. How much friction was present?
asked by andrew 
Psycholofgy
Help Needed! I need to know if this the correct answer. Calvin has been on a "pleasure binge" for the last three days. He has cleaned out his bank account spending the money on anything that gains his attention. He would be described as loud, elated, and
asked by Princess 
11
How do I work this problem? Flying with the wind, an airplane can travel 1080 miles in six hours, but against the wind, it goes 360 miles in half the time. Find the air speed and wind speed
asked by Judy 
damped harmonic oscillation
For a damped simple harmonic oscillator, the block has a mass of 2.4 kg and the spring constant is 14 N/m. The damping force is given by b(dx/dt), where b = 260 g/s. The block is pulled down 11.0 cm and released. (a) Calculate the time required for the
asked by Javan 
physics
Part C Calculate (in MeV ) the total binding energy for 40 Ca .
asked by paige 
US history HELP
Use of the term Chicano indicated: 1. Mexican American opposition to illegal immigration 2. increasing opposition of Hispanic Americans to the Vietnam War 3. efforts of Hispanic Americans to make Spanish the national language 4. growing political
asked by HM 
chemistry
Imagine that 25.0 of ice at 3.0C is placed in a container holding water vapor at temperature of 120.0C . After a certain amount of time, the container has expanded slightly, but holds only water vapor at 110.0C. what is the final volume of the container?
asked by Fajer 
Physics
I understand there is a relationship between temperature & pressure. If a rigid open container was placed in a freezer at 15 degrees C. Removed and its airtight cover replaced simultaneously at 1000mb. What would the pressure be within the container if it
asked by Mike 
Social Studies
What was Paul Revere's Ride suppose to be? What was Paul Revere suppose to do?
asked by Jaycee 
science
I have to do a poster with the theme "Soil to Spoon" dealing with soil,forests and related to natural resources. Would you have any sugestions or links that would help me get started with this projest? Thank you for your help.
asked by jill 
math
An equilateral triangle has a perimeter of 33 inches. What would the perimeter of a square whose sides each measure the same length as the side of the triangle?
asked by chanelle 
biology
1) What is the complementary strand of the DNA sequence GCAAT? a) GGCTT b) CGTTA c) CGTAT d) GCUUA
asked by denis 
US history HELP
Toward the end of the Eisenhower presidency, the country could celebrate: 1. the addition as states of Alaska and Hawaii 2. the weakening of communism and the Soviet Union 3. a fullemployment economy 4. a climate of growing racial harmony 5. the practical
asked by HM 
Psychology
Can someone please tell me if I have chosen the correct answer? I said the answer is B Regarding schizophrenia, which of the following statements is FALSE? a. Schizophrenia involves a "split personality," in which a person has two distinct personalities,
asked by Keller 
physics
a point charge q1= 4.00nC is at a point (0.6,0.8) in the xy axis, and a second point charge q2=4.73nC is at the point (0.6,0), calculate the magnitude and direction of the net electric field at the origin due to these two points. Ive tried calculating the
asked by mo 
chemistry
What is the mass percent oxygen in the compound NaNO3?
asked by Anonymous 
calculus
find the are of the surface of the part of the sphere (x^2)+(y^2)+(z^2)=4 that lies above the plane z=4
asked by saud 
math
Almost everyone at the Bright Corporation reads a daily newspaper on a regular basis. In fact, altogether te company employs 2,940 people,of whom70% read The Daily News,45% read The Courier and 60% read The inquirer. One fourth of the employees reads The
asked by Bryan 
physics
Gas is conﬁned in a tank at a pressure of 10 atm and a temperature of 14◦C. If 58 percent of the gas is withdrawn and the temperature is raised to 50◦C, what is the new pressure in the tank?
asked by Bob 
math
Can i show you a thing i need help with...
asked by Amber 
BAA
Is there a sample Black adievement award?????
asked by Laruen 
statistics
okay heres the question and the answer I have, but Im not sure its right because the values seem way too high to interpet what it means..: Data: 63.4,65.0,64.4,63.3,54.8,64.5,60.8,49.1,51.0 "Assume that these observations on SRS from the late Cretaceous
asked by Stumped again 
8th Grade
Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections:  ToDoList  Doodles (if you are bored)  Projects that are do (school plans)  Graduation Plans (speech, todolist,
asked by Laruen 
Chemistry
What is the concentration of an HCl solution if 23.1 mL of HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 I cannot get the right answer (Macic)(23.1mL)=(0.101M)(35.0mL) Macid = .153
asked by corey 
CHEMISTRY
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
asked by diana 
calculus
Find dx at (5,6) if x2 + y2 =0 2 Marks dy
asked by nida jabeen 
chemistry
30.0 g CuO + 20.0 g CH4 can produce a maximum of __?__ g Cu. 4 CuO + CH4 „_ 2 H2O + 4 Cu + CO2
asked by Anonymous 
Physics
A 0.9 kg object that stretches a spring 2.5 cm from its natural length when hanging at rest oscillates with an amplitude of 8.1 cm. Find the total energy of the system. The acceleration due to gravity is 9.81 m/s2. Answer in units of J
asked by Maxx 
Psychology
Need to know if this the correct answer that I chose. Is the correct answer B Regarding personality disorders, which of the following statements is FALSE? a. Personality disorders are all maladaptive but vary in severity of impairment. b. Personality
asked by Princess 
chemistry
A fixed amount of gas initially at 100 K and pressure P1 is expanded from 1 L to 100 L in a piston. The temperature, T2, of the gas at this point is 50 K. The piston is then locked at constant volume V2=100 L and half the gas is pumped out at a constant
asked by laura 
socials
for another picture I add on poster of 1960 I draw picture of Avro arrow. I draw and write beside it that it was the finest aircrafts built. It was built for necessity protection of Canada. it not made in 1950's is it?
asked by Mohammad 
Physics
A 48 g ball is released from rest at h = 1.4 m above the bottom of the track shown in the figure below. It rolls down a straight 30° segment, then back up a parabolic segment whose shape is given by y = 1/4 x2, where x and y are in m. How high will the
asked by Jeff 
Living environment
what structures did the ancient whale basilosourus have that whales today do not have iT was their legs right
asked by ADAM 
chemistry
The average out door concentration of carbon monoxide ,co at 15 c and 1 atm of pressure is about 900 micrograms per cm^3 . What is this concentration expressed : on ppm scale ? And on the molecules /cm^3scale?
asked by devin 
spanish
Preterite or imperfect? CAPITALIZED WORDS Hace muchos años, HAY (1) una muchacha que se LLAMA (2) Cenicienta. Ella VIVE (3) en una casa con sus dos hermanastras feas y su madrastra. En el mismo país, HAY (4) un joven príncipe. Él TIENE (5) 19 años y
asked by lil wayne 
Math
The graph of a quadratic function has vertex(3,4) and passes through the point (4,1). Find the equation of the function in standard form. Rewrite the equation in general form. Could someone explain to me how to do this, just don't understand.
asked by Untamed 
Inter. acct.
You have been retained as a consultant by the company’s Audit Committee of the Board of Director’s, and asked to research three separate issues. First the typical acquisition costs associated with land purchases. Use the facts presented in Exercise
asked by Sandy 
Algebra 2
Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial. I didn't really understand what that meant. x^223x+c x^2(2/7)x+c
asked by Erica 
HIS/115
Compare European settlements in New England, the Middle Colonies, the Chesapeake, and the South in terms of goals, governments, social structures, and religions. What similarities do you find most remarkable? What differences do you find interesting? Why?
asked by susan 
Statistics
test the hypothesis that the average height of a male in USA is greater than 5'10 and the average height of a female is less than 5'6 at a 90 percent confidence level
asked by Lynn 
sci
how can i do an experiment involving plants if it is winter
asked by anonymouse 
AP Physics
Liam fires a bullet into a block suspended by two cables, embedding the bullet in the block. The mass of the bullet is 5g and the mass of the block is 1g. 1) If the maximum height of the block is ,h, is 35 cm, how fast was the bullet originally moving?
asked by Hester 
physics
1.A 500.0 g mass is placed on a 20.0 cm cube of gelatin. The 500.0 g mass (a 5.00 cm diameter disk) depresses the gelatin 0.243 mm. What is Young's modulus for this gelatin? ____________N/m^2 Later, a 2.00 kg mass disk (5.00 cm in diameter) is placed on
asked by sand 
US history HELP
Kennedy’s successor as president, Lyndon Johnson: 1. like Kennedy, had been born into wealth and privilege 2. was a fairly typical southern conservative 3. genuinely cared about the disadvantaged in society 4. had a humble and modest character 5. may
asked by HM 
Teacher Aide in the Special Education Setting
When tutoring learning challenged settings,learning challenged students are most often placed in A.resource rooms B.the nurse's office C.selfcontained classrooms D.phychiatric clinics
asked by annie 
Psychology
Help is needed! I need to know whether or not this is the correct answer I have been reading and researching for some hours and still don't no whether or not this is the correct answer. Which of the following is NOT identified in the text as a risk factor
asked by Keller 
PHYSICS HELP MEEE SO CONFUSED
Liam fires a bullet into a block suspended by two cables, embedding the bullet in the block. The mass of the bullet is 5g and the mass of the block is 1g. 1) If the maximum height of the block is ,h, is 35 cm, how fast was the bullet originally moving?
asked by Confused 
math
Jack is twice as old as he was 5 years ago. His mother was then six times as old as he was. She is now 35 years old. how old is jack?
asked by mary 
Algebra1
A CELL PHONE ORDDERS 500 NEW PHONES FROM A MANFACTURE.IF THE PROBABLITY OF A PHONE BEING DEFECTIVE IS 2.6% PREDICT HOW MANY OF THE PHONES ARE LIKELY TO BE DEFECTIVE.ROUND TO THE NEAREST WHOLE NUMBER
asked by devin 
physics
Joe stands on a bridge kicking stones into the water below. If he kicks a stone with a horizontal velocity of 3.10 m/s, and it lands in the water a horizontal distance of 6.60 m from where Joe is standing, what is the height of the bridge? Enter m as unit.
asked by bekah 
statistics
If you have no preliminary estimate for p, how many business phone calls should you include in a random sample to be 98% sure that the point estimate will be within a distance of 0.034 from p
asked by Anonymous 
Math...HELP i dont understand this problem!
Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate. Can individual pieces of a traditional
asked by Dell 
Math
There are 189 students in the band. The difference between the number of boys and the number of girls is 27. How many boys and girls each are in the band?
asked by KC 
physics
What is the minimum amount of force required to move a 4000 pound truck that is resting on level ground? If 15000 N of force is applied can you move the truck? Ms=.56 Mk=.31
asked by Cody 
chemistry
How many grams of NH3 can be made from 375g of N2?
asked by sara 
Accounting
Simon issues fouryear bonds with a $50,000 par value on June 1, 2011, at a price of $47,974. The annual contract rate is 7%, and interest is paid semiannually on November 30 and May 31.
asked by Helen 
chemistry
Which reaction illustrates water acting as a Bronsted Lowry base?
asked by Anonymous 
Calc
find d^2y/dx^2 of x^2/3 + y^2/3 =1 (implicit differentiation)
asked by Anonymous 
English
Hello. I'll be very grateful for your help. 1)Is it possible to use "involve" in the context "This step could involve a serious crisis"? 2)Is it possible to use "till the present day" the same as "until now", for example "Till the present day, China has
asked by Ilma 
physics
a crate weighing 3500 newton down an inclined plane at constant speed. The plane is 7.5 meter long. Its height is 3.0 meter. What is the coefficient of sliding friction between the crate and the inclined plane?
asked by xander 
Algebra 102
9^x=1/3^3 Please Help
asked by CC 
calculus
Water is leaking out of an inverted conical tank at a rate of 10,000 cm^3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 m and the diameter at the top is 4 m. If the water level is rising at a rate
asked by Nathan 
chemistry
2NaI (aq) + Cl2 = 2NaCl (aq) + I2 (s) If the ml of 0.45 M NaI are reacted with chlorine gas: What will be the molarity of the resulting salt solution?
asked by Gabby 
Government US
The highest rate of inflation (13 percent) since World War II occurred in a. 1955. b. 1963. c. 1979. d. 1991. e. 2002. I cannot find this answer anywhere.
asked by HM 
precalc
Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence. 6.1, 6.9, 7.7, 8.5, 9.3,... I think it is Geometric, but i don't know how to find the formula
asked by Alex 
Chemistry
If the average velocity of O2 molecules at STP is 3.4*10^3 meters/sec, what is the average velocity of H2 molecules at the same temperature and pressure?
asked by Carissa 
Math
Solve the following quadratic equation(as exact values) using the quadratic formula. x^210x15=0 I got 5+2sqrt10/2. ^ Sorry hard to write it out. But basically there is a 5 there, the negative sign is supposed to be under the positive sign, then there is
asked by Untamed 
math
what would $5000 compounded daily at 1.5% be after 1 year
asked by roger 
macroeconomics
The relationship between inflation and aggregate demand is negative. the relationship between inflation and real interest rate is a positive. ( not sure if its right) the relationship between aggregate demand and real interest rate is negative.
asked by anon 
US history HELP
Kennedy’s inauguration is best remembered for: 1. the list of promises in his speech 2. his elegant and inspiring rhetoric 3. the record cold in Washington that day 4. the large and friendly crowd 5. the flatness of his delivery I would say 3 .
asked by HM 
US history HELP
The fact that “We Shall Overcome” became the civil rights anthem showed the powerful influence in the movement of: 1. black evangelical churches 2. popular music 3. liberal white northerners 4. songwriters 5. Christians, regardless of their race 2 or 4
asked by HM 
physics
You can lift a box up a vertical distance of 1 meter or you can slide it up a frictionless 2meter ramp. How do the amounts of forces compare?
asked by comet 
english
Is this a good thesis statement? Filth is characterized by dirt, foul language, and corrupt conditions. Baldwin personifies the meaning of filth through Gabriel’s character and his actions brilliantly.
asked by jon 
trig
Find the exact solutions of the equation in the interval [0,2pi). sin(x/2)+cos(x)=0
asked by Isaac 
Math
JunJee either ran 5 or 7 miles each day for 30 consecutive days. His total mileage during this period was 166> How many days did he run 5 miles? How many days did he run 7 miles?
asked by KC 
Chemistry
(a) Which of the ions K+ , Na+ , Be2+ will have the largest heat of hydration? Which the smallest? (b) Of the two compounds KNO3 and NaNO3 , which has the stronger intermolecular forces? (c) Of the two compounds PCl3 and Xe, which has the stronger
asked by Matthew 
chemistry
N2O undergoes thermal decomposition at 730°C to nitrogen (N2) and oxygen (O2) via firstorder kinetics with a halflife of 3.58 x 103 minutes. Calculate the time required for 90% of a sample of N2O to decompose at 730°C.
asked by Cece 
US history HELP
One of Johnson’s major goals in Vietnam was to: 1. keep the Soviets and Chinese from attacking elsewhere in Asia 2. use nuclear weapons to end the war as quickly as possible 3. use the war to unite the country at home 4. avoid losing it to communism 5.
asked by HM 
calculus
find the volume of the solid obtianed by rotating the region bounded by the given curves about the line x=6 x=y^2 , x=1
asked by saud 
socials
did berlin wall close in 1960? when berlin wall was built it was divided into 4 sectors, French, British, American, Russian. But I not know what to say for caption when berlin wall close.
asked by Mohammad 
interviw
if you are to be recognised and given an award, What would be most recognized for a year from now?
asked by Paris 
socials
can give me link to map of berlin when berlin wall close down.
asked by Mohammad 
science
If a hook exerts a force of .001N on the ceiling, how much force does the ceiling exert on the hook?
asked by Anonymous 
US History
What three parts make up the supreme law of the land?
asked by Sarah 
Chemistry
how many moles of chlorine gas are required to react with 164 g of Br
asked by James 
math 117
Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Explain why.
asked by Anonymous 
Psychology Please Help!
Nicki's mood swings are controlling her life. First, she is euphoric, creative, and needs little sleep. She then sinks into despondency. Her physician may prescribe: a. lithium to reduce the mania without worsening the depression. b. Prozac to elevate her
asked by Anonymous 
Science
Stage of mitosis in which Chromosomes split apart
asked by Emily 
chemistry
A sample of gas has an initial volume of 2.80 L at 755 torr. If the volume of the gas is increased to 3.70 L, what will the pressure be?
asked by Anonymous 
chemistry
25 mL of nitric acid of an unknown molarity are used. the end point of the titration was reached using the basic solution. what is the molarity of the nitric acid?
asked by 
Science 7R: Lab Questions (plz help)
I really need help. 12. What are the three main parts of an animal cell? 14. If all of our surfacecells were colorless, where do you think our skin color is located? My science teacher is collecting it tommrrow and grading it. Please Help!!! Thank You!!!
asked by Laruen 
Physics
A 90 kg mover climbs a ladder to a height of 8 m in 32 s. Find the power rating of the mover. I solved by using P= mgh/t and came up with 220.5 watts. Is this correct or am I suppose to use P=w/t and not use gravity in the equation?
asked by Jim 
GRAMMAR
SALLY TOLD JANICE THAT SHE MADE THE HONOR ROLL.
asked by Anonymous 
chemistry
radioactive disintegration is 1st order reaction. calculate the age of ancient wood piece if it shows a c14 activity of 20% compared to present day wood. if the half change time for c14 is 5600 years
asked by pinky 
math
problem # 1 No Zeroes two numbers multiply to give 100 000. Neither of them contain a zero. What are the numbers? problem # 2 Junk Food a burger and a cola togerther cost $3.25. If the burger costs $1.75 more than the cola, how much does the cola cost? PLZ
asked by sim 
Math (Calculus)
Find the derivative of (ln(tan(x))/3pi
asked by Caleb 
college algebra (math 90)
How do i graph this hyperbola? X^2+6x3y^2=0
asked by Alfred 
chemistry
The solubility of gases in water decreases with increasing water temperature
asked by Anonymous 
trig
if the terminal ray of an angle 0 in standard position passes through the point (1,3),then cos0=
asked by jason 
sci
i need some ideas for a high school sci fair project
asked by anonymouse 
science equation
I don't think I have enough information to answer this question but my teacher says i do. The question is, If I drop a ball off of the AUL building and it take 8 seconds to hit the ground what is the velocity of the ball? I know that v=d/t so I have v=d/8
asked by Alli 
grade 12 math
Given the function f(x)= x^3+8/x^2+6, determine the eqaution of the asymptotes and state the end behaviours of the graph near the asymptotes.
asked by logan 
chemistry
The valve between a 5 liter tank in which the gas pressure is 911.925 kPa and a 10 liter tank containing gas at 4560 torr is turned open and equilibrium is established at constant temperature. What is the final pressure in the two tanks in atmospheres?
asked by laura 
Algebra2
Use properties of logartithms to simplify and solve. Thanks. ln(x3)ln(11x23)+in(x1)=0
asked by MV 
chemistry
1 gram of C3H8 gas and 1 gram of O2 gas are delivered to a metal sphere with a fixed volume of 1 L. After the two gases are introduced, the two reactants are ignited and burned according to the balanced reaction C3H8(g)+5O2(g)changes to3CO2(g)+4H2O(g)
asked by laura 
chem
A 0.0097561 g quantity of an unknown gas occupies 0.2 L at 500 K and 2 atm. What is the Molecular Weight (MW) of the gas ?
asked by laura 
chemistry
A fixed quantity of gas, at constant pressure, occupies a volume of 8.50 L and has a temperature of 29.0 degrees C. What volume will the gas occupy if the temperature is increased to 125 degrees C? 6.4, 11.2, 14.1, 12.6, 4.9
asked by Anonymous 
algebra
find a quadratic function that fits the set of data points (1,4) (1,6) (2,16)
asked by Anonymous 
Calc
find d^2y/dx^2 of dy/dx = [y/x]^1/3
asked by Anonymous 
Math
The graph of a quadratic function has vertex(3,4) and passes through the point (4,1). Find the equation of the function in standard form. Rewrite the equation in general form. Could someone explain to me how to do this, just don't understand.
asked by Untamed 
chemistry
A particular radioactive substance has a halflife of 4 minutes. How long will it take for 250 g of this radioactive material to decay to less than 0.1g? 24 min 36 min 40 min 48 min 72 min I got 32 min but that not one of the choices. Please help
asked by Anonymous 
math
What is the largest number of groups Mr. Smith could form to distribute 60 folders, 45 pairs of scissors, and 30 rulers equally among the groups?
asked by paris 
Algebra
e^x212^2x+3=0
asked by MV 
Complements
Is there an easy way to remember how to identify the subject, verb, direct object, indirect object, Predicate nominative, and predicate adjective of a sentence? Is there any tricks? Im so confused.
asked by Bryce 
chemistry
A sample of gas has an initial volume of 2.80 L at 755 torr. If the volume of the gas is increased to 3.70 L, what will the pressure be?
asked by Anonymous 
chemistry
A chemist titrates 17.44 mL of 0.346 M NaOH into a flask containing 50.13 mL of 0.179 M HCl. When the titration is complete, the pH of the solution in the reaction flask is? 12.64 .0919 1.36 2.22 11.78
asked by Anonymous 
US history HELP
In relation to society’s prevailing values in the 1950s, most teens tended to be: 1. supportive 2. critical 3. uncaring 4. defiant 5. uncertain All I know that they were showing a lot of criminal behaviour. I found the meaning of these words but they are
asked by HM 
Calculus
find the rate of change of the distance between the orgin and a moving point on the graph of y=x^2+1 idf dx/dt=2 centimeters per second.
asked by help fast please 
chemistry
How many grams of na cl are required to make 500ml of a 0.65 percent w/v
asked by devin 
PARP
PARP stands for parents as reading partners. I did this in gade 4th and 5th and I was wondering if we do it in middle school????
asked by Laruen 
chemistry
If the radiicativr decay of nuclear explosion contains 90 Sr , with a half life of 28.1 years how long will it take for 99 of this radioaioot to decay
asked by devin 
physics
A 1680 kg rocket is launched with a velocity v0 = 55 m/s against a strong wind. The wind exerts a constant horizontal force Fwind = 15600 N on the rocket. At what launch angle will the rocket achieve its maximum range?
asked by leav 
chemistry
electronic dot formula for C4H10
asked by Anonymous 
physics
a student walks 180m in 155s. the student stops for 35s and then walks 320m farther in 145s. What is the average speed of the entire walk?
asked by manuel 
chemistry
What is the concentration of an HCl solution if 23.1 mL of HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 I cannot get the right answer
asked by corey 
Math
Determine for what value(s) of d the quadratic equation 5x^210x+d = 0 has i) real and distinct roots ii)real and equal roots iii)nonreal roots This is what I did to solve for A. 5x^210x+d = 0 b^24ac = 0 (10)^24(5)(d) = 0 10020d = 0 20d = 100 d = 5
asked by Untamed 
chemistry
Lewis dot of free radical cf2cl and hoco
asked by devin 
chemistry
Lewis dot of free radical cf2cl and hoco
asked by devin 
please, need help on factoring
factor x^3(x+y)^3
asked by Anonymous 
math
If there are 264 students in a school and there are 84 eighth graders and There are 22 fewer seventh graders than sixth graders. Then which grade has the most students and how many students are there.
asked by KC 
Chemistry
What is the molarity of OH in a 7.83×103 M NaClO solution that hydrolyzes according to the equation. ClO(aq) + H2O(l) = OH(aq) + HClO(aq) The information they give is that constants Kh=2.86E7 I know how to solve the problem when the constant Kw is
asked by Jay 
chemistry
Which of the following species has the weakest NtoO covalent bond: HONO, NO2, NO2, N2O, NO3?
asked by Celeste 
computer sciece
1.which directory does Vim to load color scheme? 2.Set a key mapping in Vim and explain how it works? can someone help me with this questions...
asked by Tracy 
english
Would Culture, Heroism, and Supernatural Forces in Beowulf be a good topic for an expository essay on Beowulf being an epic poem?
asked by tan 
Physics
What is the electric field midway between an electron and a proton separated by 0.7 nm?
asked by Danny 
science
should we produce more nuclear reactors or less of them?
asked by kim 
algebra
A machine's ideal temperature is below 135 degreesF. The temperature T in degrees x minutes after it is turned on is T=0.005x^2 = 0.45x + 125. Will the temperature ever exceed 135 degrees. Use the discriminate to decide. If the machine operates for 90
asked by eric 
science
A net force of 10N to a 5kg mass. By how much does a body accelerate? Given: F=10N; M=5kg
asked by sophia lorraine 
English Comp. I
Exercise 32.4 Please help with this assignment. I'm having trouble with it. Rive to clarify pronoun reference. Most can be revised in many ways. If a pronoun refers ambiguously to more than one possible antecedent, revise the sentence to reflect each
asked by Robert 
physics
a tool chest is in contact with the floor points A & B. If a force 'F' is applied at an exceeded height 'h', the chest will tip over before it slips. If the coefficient of static friction between the floor and the chest is μs what is the largest value of
asked by Anonymous 
US history HELP
Blacks who moved to northern cities found: 1. inability to vote 2. quality public housing 3. acceptance and respect 4. middleclass status 5. new problems and forms of exploitation is it 4 or 3 ?
asked by HM 
Middle school algebra
Please help: Problem: 14 divided by a number is 21. What is the number? my teacher says the answer is 2/3 but I don't get that answer. I set it up: 14/n= 21 Then tried solving as: (n/14)(14/n) = 21/14 My answer = 1 1/2 What am I doing wrong? Thank you
asked by Morgan 
chemistry
Air is a gas solution where oxygen is the solvent. True or False
asked by Anonymous 
science
guyz got a hard question... A net force of 10N to a 5 kg mass. bY HOW MUCH does a body accelerate.. Given: F=10N;m=5kg
asked by Loraine Ordono 
chem
A 0.0097561 g quantity of an unknown gas occupies 0.2 L at 500 K and 2 atm. What is the Molecular Weight (MW) of the gas ?
asked by laura 
trig
find all solutions of 2sinx=1cosx in the interval from 0 to 360
asked by Anonymous 
Algebra
I need to use Pascal's Triangle to expand (x1)^5 I know I use the fifth row but I'm not sure how to do it I have a bunch of these and I'm really confused Please help if you can
asked by Jonathan 
chem
Two gas tanks containing compounds A and B are connected by separate valves to two ends of a 10 meter glass tube as shown below. When both valves are thrown open at the same time A and B travel down the tubes towards each other. A white line appears when
asked by laura 
german
Write the conversation in present perfect tense: 1. das konzert/ euch/ gefallen/? 2. ja,/ die Band/ tolol/ spielen 3. was/ du/ machen/? 4. ich/ den ganzen Abend/ am Computer/ sitzen 5. du/ wiel/ fur deine Prufungen/ arbeiten/? 6. ich/ im Internet/ surfen
asked by Meg 
Grammar Check
Firstly My teacher has said no "you or yous" in the whole of the essay. So if I put "Keep Your Mind on the Road" as a title.. is it appropriate? Should I put "Keep the Mind on the Road" instead? Moreover, my friend says they are some grammar mistakes in my
asked by HM 
Algebra II
Please helpI need to write 4+6+8+10 in sigma notation would it be sigma sign in middle (3) on top of sign, n=0 on bottom of signma notation and to the right it would be (4+2n) so it would look like (3) (sigma in middle) (4+2n) n=0
asked by Julia 
trig
Find all the solutions of 2 sinx=1cosx in the interval from 0° ≤x
asked by Anonymous 
Math
(a+bx)(c+dx)=income solve for x
asked by elisabeth 
geometry
the geometric mean of the quantaties (x+1)and (2x+3)is(x+3). i know that x^2+6x+9=2x^2+5x+3 and 6=x^2x (i forgot basic algebra)
asked by Anonymous 
physics
What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6 106 m/s?
asked by Richard 
calculus
what is the derivative of log3(x+X^2) log with base 3 i cant figure it out
asked by ann 
British literature
To Daffodils Fair daffodils, we weep to see You haste away so soon: As yet the earlyrising sun Has not attain'd his noon. Stay,stay, Until the hasting day Has run But to the evensong, And, having pray'd together, we Will go with you along. We have short
asked by alisa 
mathematics
Find all the solutions of 2 sinx=1cosx in the interval from 0° ≤x
asked by Anonymous 
Math
I need help on this question, I know the answer (or, at least I think I know it), but I can't think of the rest. Bobby claims that only upright squares can have rational numbers for side lengths. Is he correct? Explain. I got yes, he is correct, but I
asked by Katie 
Algebra2
log((x(sqrtã(X^2+1)/(x+1)^(2/3)))^6 Any ideas would be great, thanks
asked by MV 
chemistry
Acids are found on the pH scale between the numbers 06.9 True or False
asked by Anonymous 
physics
1.A 500.0 g mass is placed on a 20.0 cm cube of gelatin. The 500.0 g mass (a 5.00 cm diameter disk) depresses the gelatin 0.243 mm. What is Young's modulus for this gelatin? ____________N/m^2 Later, a 2.00 kg mass disk (5.00 cm in diameter) is placed on
asked by sand 
chemistry
What is the molecular weight of an unknown gas if 2.5g of it occupies 2L at 630 torr and a temp. of 600K? 10.2 36.6 74.3 28.9 40.1
asked by Anonymous 
English
I told the child__down for nap, when he fall asleep, o __down for nap of my own. lay.lay lie.lay lie,lie lay.lie what is best option.
asked by madad 
Psychology
Help Please! I need to know if this the correct answer. I said the answer is C Which approach would explain that phobias are acquired through classical conditioning and the hypochondriac's "sickness behavior" is reinforced by sympathy and attention? a.
asked by Princess 
Government USAHelp
Major shifts in the Supreme Court's positions have usually been due to a. the pressure of public opinion. b. new developments that dramatize an immediate need for change in the law. c. turnover in the Court's membership. d. threats from Congress. e.
asked by HM 
chemistry
When 71.43 mL of 0.855 M HNO3 is diluted with 20.57 mL of water, the molarity of the nitric acid becomes
asked by Anonymous 
chemistry
A BronstedLowry acid is a proton donor. True or False
asked by Anonymous 
chemistry
The pH of an HCl solution is found to be 1.74. Therefore the [H3O+] is:
asked by Anonymous 
math
Rodney and James are each 30 feet from a door. Rodney moved one foot closer and James moved half the distant between himself and the door. If each person continued to move in this fashion, who would be closer to the door after 10 moves? Who reaches the
asked by Tia 
math
Julian baked m cookies. Each baking pan holds 12 cookies. How many baking pans were needed to bake the cookies? Please help I need a complete answer!!!
asked by Alicia 
health
Several waveforms grouped together is called complex?
asked by violet 
Reading
Is their any reading contest like the battle of the books?????
asked by Laruen 
math
A river 3 m deep and 40m wide is flown at the speed 2km/hour how much water will flow in sea in 1 minute
asked by nabeel 
Basic Chemistry
What is the pressure of 64.0 g of oxygen gas in a 1.50L container at 37°C a. 4.12atm b. 51.6atm c. 19.6atm d. 8.2atm
asked by Tasha 
Algebra II
I solved one of these sigma notations and had Reiny check it in an earlier post but this one totally befuddles me Which of the following terms would not be in the series generated by the expression: 5 Signma symbol (k^25k+2) k=2 the choices are 2, 2, 4
asked by Julia 
chemistry
Determine the pH. Are these solutions acidic or basic? a. [H3O+]=1.0*10^8 a. pH=acidic or basic? b.[OH]=1.0*10^9 b. pH=acidic or basic? c.pOH=1.4 c. ph= acidic or basic? d.pOH=7.8 d. pH=acidic or basic?
asked by Amanda 
math
Divide the rectangles by tens and ones for each factor. Find the number of squares in each smaller square. Then add the numbers of the squares in the four rectangles : 200+40+40+8=288 So, 12x24 =288
asked by jason 
PSYCHOLOGY HELP PLEASE!!
Jeannie was a delightful little girl who made a remarkable change during adolescence. Her parents expected the usual teenage rebellion, but Jeannie had become dark and morose. Her skin had a deathly pallor, and she became very thin. They feared that she
asked by Anonymous 
phyics
Calculate (in MeV ) the binding energy per nucleon for 40 Ca .
asked by paige 
PSYCHOLOGY HELP PLEASE!!
"The origin of the abnormal behavior is not my concern. We will attack the behavior as it stands and work together to change it, thereby reducing the anxiety you are experiencing." This statement would be typical of the: a. medical perspective. b.
asked by Anonymous 
Creative Writing
Anyone have any suggestions for a title on an essay about breast cancer?
asked by Jennifer 
ASTRONOMY
If the Hubble parameter is found to be smaller than we think it is, how would this change the measured age of the universe? justify your answer
asked by Amy 
algebra; need help on factoring
factor completely a^9+b^12 c^15
asked by Anonymous 
Algebra
I'm not sure how to get started! Please help! y=2x^212x+2 Find the vertex, y intercept and x intercept
asked by Sabrina 
Physics
In an electric shaver, the blade moves back and forth over a distance of 2.2 mm in simple harmonic motion, with frequency 116 Hz. Find (a) the amplitude (in mm), (b) the maximum blade speed, and (c) the magnitude of the maximum blade acceleration. I got
asked by Lisa 
math
draw a diagram to find a quotient. Deviding whole numbers by fractions.
asked by Anonymous 
Math
Explain how to determine the value of x that gives a maximum for a transformed cosine function in the form y=acos(k(xd)) + c, a>0, if the maximum for y=cosx occur at (0degrees, 1)
asked by Jacob 
pca
why do you went to be a pca
asked by Paris 
physics
if the acceleration of a truck over a given time interval is zero, how does the instaneous velocity of that truck at any instant during that interval compare to its average velocity over the interval?
asked by Anonymous 
Math
I am trying to decide between 2 answers on a vocabulray question. The question is: The ________________ of two or more denominators is the least common denominator. The choices are either simplest form or least common multiple. Would the correct answer be
asked by Brandi 
English 12 Essay
I corrected my grammar errors from my last post. Don't bother checking to see if I got it right or not. My two body paragraphs seems to be a bit long. First idea is his jobs as a reporter/writer for newspapers and magazines. Second idea is his literary
asked by Anoymous 
US History
he purpose of Kennedy’s proposed tax cut was to: 1. help the economy by stimulating consumer spending 2. reduce the government’s budgetary surplus 3. win Republican support for civil rights legislation 4. reduce the size of the federal government 5.
asked by HM 
Physics
What is a magnetic field of 950 G expressed in tesla?
asked by Danny 
Calculus
Suppose the profit, π, from selling q items of a product is given by π(q) = 2.65q1200. Find the value of π'(100).
asked by anonymous 
Physics 201
Suppose the mass of the wing is 0.258g and the effective spring constant of the tissue is 4.00E4 N/m. Distance d1 = 3.03 mm and distance d2 = 1.76 cm. If the mass m moves up and down a distance of 2.08 mm from its position of equilibrium, what is the
asked by Jessica 
science
How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?
asked by Shirley 
ELA
Which one is a diary? court case or daily record? I think its daily record
asked by Jaycee 
PSYCHOLOGY HELP PLEASE!!
Electroconvulsive therapy may produce immediate relief from depression, but: a. may result in schizophrenia. b. can also change the hemisphericity of the brain. c. is not a longterm improvement. d. should not be used more than once. I think it is c.
asked by Anonymous 
english
We are poisioning ourselves slowly. Many towns are putting garbage in landfills. poisoning and landfills are they main verbs in each of these sentences. I think landfill would be, how about poisoning?
asked by jill 
Math
There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual intervals and a face value of $100 at maturity. (a) What will be the current price of bond B?
asked by Robbie 
English
1. Research projects that have won Ig Nobel Prizes are real, scientific work. (have won) 2. Here are some of the most interesting projects that have received the prizes so far. (have received) (Question: What is the use of the present perfect in each
asked by rfvv 
calculus
Find the point of discontinuing of the given function: 2 Marks f (x) = 3x + 1 X27x+12
asked by nida jabeen 
Science
what can alpha particles cause significant damage to ?
asked by john 
math
24+1+1/8
asked by darren 
interview
what quality or attribute do you feel that you possese that would allow you to deal with conflict?
asked by Paris 
algebra
f(X) = p(1+ r/n) nt The principal is 50,000 The time is 3years the rate is 4%
asked by Beatrice 
PSY
ocus of the Research Paper Carefully review the scenario below: Susan and Molly, employees in a busy call center, are chatting at lunch. Between bites of fried chicken, French fries, high calorie soda, and a tiny salad, Susan begins to complain to Molly
asked by sue 
physics
A family drives 400 milles in 8 hours. Explain how the acceleration of their car changed?
asked by patty 
calculus
4. Given the function f defined by f(x) = cos2x for π≤ x ≤π a. Find the xintercepts of the graph of f. b. Find the x and y coordinates of all relative maximum points of f. Justify your answer. c. Find the intervals on which the graph of f is
asked by fareha 
astronomy/physics
Mercury has a semimajor axis of 0.367AU and an eccentricity of e=0.206. Calculate its distance to the Sun at perihelion. Remember to use units of AU in your answer.
asked by silvia 
chemistry
Q: A 1.5L solution is prepared using 75g of calcium chloride. What is the molarity of this solution?
asked by Anonymous 
eth
Question if a person described as a viruous is this the same as saying that a person is moral or ethical?
asked by at 
precalc
Suppose that z1=68i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4
asked by Joshua 
math
3x3=36/8___
asked by Casey 
English
I still have a few doubts on some sentences. Thank you very much. 1) Thanks to the development (introduction) of steam engine, the manufacture of cloth became cheaper (or to manufacture cloth became cheaper). 2) The poet personifies the elements of nature.
asked by Henry2 
Science HELP
when traveling only a tiny distance through rock below the earths surface what happens to alpha particles ?
asked by john 
Language
What is the deffinition for symertry and a sentence
asked by Ashley 
science
What net force is needed to acclerate a 10kg objec by 3m/s2? Given: m=10kg: 3m/s2
asked by sophia lorraine 
geometry
The perimeter of a rectangle is 42. The perimeter of a triangle is 36. Find the values of x and y
asked by Anonymous 
statistics
It has been reported that 26% of children in the U.S. live in homes where there is a single parent. A school administrator cliamed that less than 26% of children in her school district lived in homes with a single parent. In a sample of 225 children, 54 of
asked by Tracie 
chemistry
When a particular chemical compound can act as either an acid or a base we say that compound is
asked by Anonymous 
chemistry
You have a compound that is subject to decay. If you originally started with 80 g of the compound and you ended up with 5 grams 30 days later, what is the halflife of the compound?
asked by Anonymous 
US history HELP
he purpose of Kennedy’s proposed tax cut was to: 1. help the economy by stimulating consumer spending 2. reduce the government’s budgetary surplus 3. win Republican support for civil rights legislation 4. reduce the size of the federal government 5.
asked by HM 
English
Could you please check these sentences, too? Thank you. 1) There was a shifting of the population from South to North. 2) You reported my notes without changing a single word. A paragraph mustn't be the exact repetition of my summaries. 3) Furthermore,
asked by Henry2 
Physics
A 90 kg mover climbs a ladder to a height of 8 m in 32 s. Find the power rating of the mover. I solved by using P= mgh/t and came up with 220.5 watts. Is this correct or am I suppose to use P=w/t and not use gravity in the equation?
asked by Mack 
Math
2x(x+3) = 0 Is there a way to solve that using the below methods? Substitute zero for f(x) and find the roots of the resulting equation, or graph the function and determine the xintercepts of the graph. Finding the roots of a single variable equation may
asked by Untamed 
english
can anyone help me with explicationg act 3 scene 1 (setting) (charcater) (plot) (theme) of macbeth?
asked by ali 
chemistry
In the Ideal Gas Law, where PV = nRT, R is ?
asked by Anonymous 
Psychology
Someone please help! I'm having a hard time with this question. Please help! If a person believes that his or her mind is being controlled by outside forces or that he or she is getting special coded messages from the television, this person is
asked by Keller 
chemistry
Molarity is defined as the number of moles of solute divided by the volume of the solvent
asked by Anonymous 
chemistry
What are conjugate acidbase pairs
asked by Anonymous 
Math
x^3 + 8x^2 = 20x How do I find the root of ^ that equation? 2x^210x+12 = 0 ^ I found that one by... 2(x3)(x2) x3 = 0 x = 3 x2 = 0 x =2 ^ Is that the correct way to solve for that one?
asked by Untamed 
chem
A pressure cooker with a volume of 6 L is filled with 27 grams of water and heated to 390.2 K. What is the pressure (atm) in the cooker?
asked by laura 
enviormental science
in two or three welldeveloped paragraphs, summarize how the reproductive behavior of individuals can affect the growth rate of their population
asked by nesha 
Math
f(x) = 5x^2  35x I converted ^ that equation to.. 5x^235x = 0 How do I go about from here to determine the zeros and the y intercept?
asked by Untamed 
chemistry
1 atmosphere of pressure is equivalent to
asked by Anonymous 
English
Could you please help me check these sentences, please? I have a few doubts on sentences you checked some time ago. 1) This ballad is composed of seven parts consisting of fourline stanzas. 2) The mariner's glittering eyes force the wedding guest to
asked by Henry2 
math
a square room has sides that each measure 5 feet.How many square feet of carpet is needed to cover the rooms entire floor?
asked by jordan 
Math
x^3 + 8x^2 = 20x How do I find the root of ^ that equation? 2x^210x+12 = 0 ^ I found that one by... 2(x3)(x2) x3 = 0 x = 3 x2 = 0 x =2 ^ Is that the correct way to solve for that one
asked by Untamed 
chemistry
When a base is added to an acid so that neutralization occurs, we say that the solution is at the:
asked by Anonymous 
ALGEBRA
determine if (1/3,3) is a solution to 3x+8y=23
asked by Angela 
physics
a block(500N) is being pulled along a surface having coefficients of kinetic and staic friction of 0.45 and 0.5 respectively..draw a free body diagram of the block and find the minimum force that can be applied to the block at an angle 15¢X below the
asked by Anonymous 
psychology test help ASAP
list 7 things that are needed to be considered emotionally intelligent??
asked by gabby 
general mathematics
Write 19% as a decimal
asked by Cort 
science
What is the ratio of the large cell volume is 64mm3 and surface is 96mm2
asked by chris 
chemistry
You have 11.20 grams of a compound. It is known that the compound has a halflife of 3.8 days. How long will it take for the compound to decay to 0.350 grams?
asked by Anonymous 
Science
How can we determine which of our traits are dominant or recessive?
asked by M. 
pre algebra
what is the length of a banana14m,14cm or 14mm?
asked by kimber 
precalc/trig
Solve the Logarithmic equation algebraically. Give an Exact Answer and an approximation for x to four decimal places. 20 log(2x+2)=45
asked by Alexander 
chemistry
A solution that holds the maximum amount of solute under the solution conditions is said to be
asked by Anonymous 
english
Does this sentence sound good or should I change it up? They expected a grandeur lifestyle filled with endless opportunities to be successful and happy.
asked by jon 
Physics
Find the mechanical energy of a blockspring system having a spring constant of 0.93 N/cm and an oscillation amplitude of 4.2 cm.
asked by Javan 
chemistry
If we have a solution in which the [OH ] = 3.3 x 104, then the [H3O+] must be
asked by Anonymous 
chemistry
When K2SO4 is mixed with water, we expect:
asked by Anonymous 
chemistry
How many grams of N2 are needed to react with 125g of H2?
asked by sara 
chemistry
You have a 0.0825 M solution of HCl. You expect the pH to be
asked by Anonymous 
chemistry
How many moles of NH3 are produced from 48.5 g of H2?
asked by sara 
macroeconomics
how does someone go about deriving the aggregate demand function? what should i explain first
asked by anon 
chemistry
A particular gas has a pressure of 1614 torr. This pressure is equivalent to
asked by Anonymous 
Canadian History
1. Who gave Jim Sinclair a crucial piece of advice early in his career? 2. What (or who) connects the current drug store chain, London Drugs, to the gold rush era of British Columbia?
asked by Jimmy 
US Judicial System
A decision or precedent made by which of the following types of court applies to all other courts under its jurisdiction? a. magistrate b. trial c. appellate d. commissioners Trial?
asked by HM 
chemistry
Phenolphthalein turns __________ when the solution is basic.
asked by Anonymous 
chemistry
The compound HA is considered a STRONG acid and is present in H2O (water molecules not shown). Which of the following beakers best represents the electrolyte composition in the beaker.?:
asked by Anonymous 
Algebra 2
4x^223 Put the equation in vertex form and find the vertex
asked by Ara 
chemistry
You have 26.44 mL of 1.83 M HCl in a beaker. You dilute this acid with 40.08 mL of water. When you analyze the solution you find that the number of moles of HCl in the new solution is
asked by Anonymous 
Psychology
Please help! I have read and read and still don't no for sure if this is the correct answer to this question. I picked A, but leaning more toward D Which approach would explain that phobias are acquired through classical conditioning and the
asked by Princess 
chemistry
If the pH of a particular solution is 2.08, then the [OH ] must be:
asked by Anonymous 
chemistry
How do you know when the complex ion is strong field or weak field when the arrangement is octahedral? How do you choose which is better?
asked by Noorah 
AstronomyHELP PLEASE!!!!!
STILL HAVE NOT GOTTEN AN ANSWER FOR THIS!! If the Hubble parameter is found to be smaller than we think it is, how would this change the measured age of the universe? justify your answer
asked by Amy 
social studies
where is the EPCOT center located
asked by Jennifer White 
chemistry
An alpha particle is best describe by: ^4He2, ^0e1, ^0e+1, ^0e0
asked by Anonymous 
geomety
model three different rectangulars using exatly 2 yards.
asked by Geancarlo 
chem
A pressure cooker with a volume of 6 L is filled with 27 grams of water and heated to 390.2 K. What is the pressure (atm) in the cooker?
asked by laura 
geometry
this diagram show isosceles trapezoid QRST. What is the length , in units of _ QS when Q x1 and 2x2
asked by aaron 
socials
for another 1960 event i draw a hippie looking person because it turn into popular look and fashion. and I write beside that skirts began lengthen out with hair. Women wear long floor length dresses and skirts called maxies, men make their hair grow
asked by Mohammad 
chemistry
A chemist dilutes 144.0 mL of 0.0743 M HCl with 775.0 mL of water. Determine the pH of the diluted solution. 1.86, 1.13, 2.08, 1.93, 12.07
asked by Anonymous 
english
Hi, I have another question about a sentence in my paper. Does this sound alright? Immigrants envisioned and anticipated America to be an answer to their problems but what they got instead was a world filled with filth.
asked by jon 
Algebra
1. How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. 2.When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? 3. Can it ever be
asked by JERSEYGIRL 
THANK YOU MS.SUE
Thank you for always giving me the correct answers for my questions.Do you live in florida.
asked by Jennifer White 
chemistry
A particular solution has a [H3O+] 2.44 x 10^4. Therefore, the [OH]= 4.10 x 10^3 4.10 x 10^11 2.44 x 10^4 1.71 x 10^8 9.09 x 10^16
asked by Anonymous 
English
I left out a few sentences. Can you please check them? 1)England turned from an agricultural into an industrialized (not industrial) country. 2)The Indutrial Revolution caused an improvement in life (or in the living conditions). 3) The Luddites organized
asked by Henry2 
socials
for another event in 1960 I draw U2 spy plane and write beside it was shot down over Soviet territory, it a single seat, singleengine, high altitude, reconnaissance aircraft.
asked by Mohammad 
socials
for 1960 i draw atomic bomb and write beside that it kept super powers from attacking eachother i think that not good caption i not know
asked by Mohammad 
physics
Calculate the difference between the magnitude of the gravitational force and the magnitude of the normal force exerted on a 100 kg object at the equator. Which of the two forces is equal in magnitude to the weight of the object?
asked by Alex 
history
"medieval parents were cruel.They did not properly care for, or look after, their children" To what extent do you agree?
asked by Anonymous 
Living environment
what kind of fossil with whale characteristics was found in the desserts of Pakistan?
asked by ADAM 
chemistry
The end point is the point at which the solutions are neutral and the neutralization process has come to an end. True or False
asked by Anonymous 
chemistry
pH is defined as 10^log [H3O+] True or False
asked by Anonymous 
chemistry
STP conditions are considered to be
asked by Anonymous 
USA PoliScience
Puerto Ricans who immigrate to the United States are most likely to settle in California Texas New Jersey New Mexico Arizona Usually the docs say Upper north east. I would say the closest would be New Jersey? But there is a possibility of the south as
asked by HM 
chemistry
You dissolved 14.08 g of CuCl2 (MM = 135 g/mole) in enough water to make 266 mL of solution. The concentration of this solution is:
asked by Anonymous 
chemistry
An atom of ^241Am95 undergos alpha decay and produces an alpha particle. The resulting element is: ^239Am91 ^235Np93 ^241Pu94 ^241Cm96 ^243Am95
asked by Anonymous 
Texas Government
A decision or precedent made by which of the following types of court applies to all other courts under its jurisdiction? a. magistrate b. trial c. appellate d. commissioners Trial?
asked by HM 
Math
A person rolls two dice. What are the odds in favor of throwing at least an eight?
asked by Anonymous 
math **urgent**
using 100 ft of fence material and building a regular octagon garden, what is the area of the garden?
asked by Anne 
US history HELP
Blacks who moved north 19451960? Blacks who moved to northern cities found: 1. inability to vote 2. quality public housing 3. acceptance and respect 4. middleclass status 5. new problems and forms of exploitation 3, or 2 ?
asked by HM